A question about a recipe: Roasted cauliflower and harissa soup

I have a question about the recipe "Roasted cauliflower and harissa soup" from Kirthana | Theblurrylime. Can I substitute powdered Harissa for the paste (or make a paste my whisking the powder with olive oil & water)?

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Natalie R. September 24, 2016
I would use the exact same amount of powder, no oil required. A large batch of harissa only has a few tablespoons of oil, which isn't enough to make a difference. I've seen recipes call for both paste and powder interchangeably, not noting any measurement difference. Several recipes call for 1/2 tsp of powder exactly, just like this one.
Panfusine September 24, 2016
thanks Natalie R.!
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